The bent and welded working chamber of carbon steel plate or stainless steel plate is filled with thermal insulation cotton between the working chamber and the shell. The studio is placed in a sample holder for placing various test items, surrounding the outer walls of the chamber with mica heaters. The door seal is sealed with silicone rubber, arranged in the box door which can be seen through the mirror. The air-filled electric heating vacuum drying box for evacuation is controlled by a solenoid valve, the electrical box on the left or lower frame, the front panel is set on the electrical box with the vacuum gauge, the temperature control device and the control switch, and the electrical box is set with the electrical components.
Thermal energy is fed into the sealing jacket (such as hot water, low pressure steam or hot oil), heating the inner shell to dry the material. Driven by power, the tank rotates slowly, and the mixed material SZG series double cone rotary vacuum dryer tank is continuously in order to strengthen the purpose of drying. In the material under vacuum, the vapor pressure is reduced to the material's moisture (solvent) saturation and evaporation, and the vacuum pump discharge is restored. The moisture (solvent) inside the material continues to the surface infiltration, evaporation, discharge, three continuous processes, the material achieves the purpose of drying in a short period of time.
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